diff --git a/Gemfile.lock b/Gemfile.lock
index 3eeda7a..8773620 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
       strscan (>= 1.0.0)
       terminal-table (>= 2, < 4)
       uri (>= 0.12.0)
-    stringio (3.1.2)
+    stringio (3.1.5)
     strscan (3.1.2)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)